<?php
//赋值运算符
$name='php';

$title = "php\n7.2";
$title2 = 'php\n7.2;

echo "<pre>";
var_dump($title,$title2);
echo '</pre>';

$outout = 'ls';
echo"<pre>$outout<pre>"

$a = "The People's"."Republic of China";
echo 